Write a complete Python program that carries out the following tasks: Open a file with the name Hello. txt

store the message "Hello, World!" into the file.

Close the file.

Open the same file again.

Read the message from the created file into a string variable and print it out!

Write a program that inserts the digits of an integer into an array in originalorderfollowed by reverse order. first, promptthe user to enter a positive integer(> 0). determine the number of digits of the integer. create a dynamically allocated integer arrayof a size twice the number of digits. now insert the digits in original order which will occupy half of the array. then, insert the digits in reverse order. finally, output thedigits in thearray. use at least two functions to organize your program.

Which excel file extension stores automated steps for repetitive tasks?

Font size, font style, and are all aspects of character formatting.